hd66710 Renesas Electronics Corporation., hd66710 Datasheet - Page 15

• Manufacturer Part Number: hd66710
• Description: Dot Matrix Liquid Crystal Display Controller/driver
• Manufacturer: Renesas Electronics Corporation.

4-line display (NW = 1)
Case 1: The first line is displayed from COM1 to COM8, the second line is displayed from COM9
to COM16, the third line is displayed from COM17 to COM24, and the fourth line is displayed
from COM25 to COM32. Care is required because the DDRAM addresses of each line are not
consecutive. For example, the case is shown in Figure 6 where 8
using the HD66710.
When a display shift operation is performed, the DDRAM address shifts. See Figure 6.
COM17 to 24
COM25 to 32
COM9 to 16
COM1 to 8
01 02 03 04 05 06
21 22 23 24 25 26
41 42 43 44 45 46
61 62 63 64 65 66
1 2 3 4 5 6 7
COM17 to 24
COM25 to 32
COM9 to 16
COM1 to 8
27
47
67
07
00 01 02 03 04 05 06
20 21 22 23 24 25 26
40 41 42 43 44 45 46
60 61 62 63 64 65 66
Figure 6 4-Line Display
1 2 3 4 5 6 7
48
08
28
68
8
(Left shift display)
07
27
47
67
8
1 2 3 4 5 6 7
13
33
53
73
00 01 02 03 04 05 06
20 21 22 23 24 25 26
40 41 42 43 44 45 46
60 61 62 63 64 65 66
Display position
DDRAM address
8
4-line display is performed
(Right shift display)
HD66710
305